Kingscote Streets Upgrades - Kangaroo Island Council
Kingscote Streets Upgrades - Kangaroo Island Council
Kingscote Streets Upgrades - Kangaroo Island Council
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7.5.6 Tolerances<br />
The following tolerances shall apply to Spray seals.<br />
Table 7.5 Tolerance on Spray Seals<br />
Item<br />
Tolerance<br />
Cutter proportions<br />
±1.0 parts per 100 parts of bitumen<br />
Application of binder ± 5% of the specified rate<br />
Spreading of aggregate ±5% of the specified rate<br />
Longitudinal alignment 50 mm of that specified for straight runs and 100 mm on curved alignments<br />
7.5.7 Finished Seal Characteristics<br />
The finished seal shall be inspected at Practical completion and within a month prior to the expiry of<br />
the Defects Liability period to ensure it conforms to the following requirements.<br />
Table 7.6<br />
Acceptance Limit on finished pavement<br />
Item Inspection/Test Acceptance Limit<br />
Aggregate loss (stripping) Visual Inspection For any one square metre identified in the inspection, the<br />
area of Aggregate Loss is less than 15%<br />
Bleeding Visual Inspection For any one square metre identified in the inspection, the<br />
area of Bleeding is less than 15%<br />
Removal of loose aggregate<br />
Average texture depth<br />
Visual Inspection<br />
(Stone Count)<br />
TP 346 – Four per<br />
wheel path<br />
Urban areas < 20 particles/m 2<br />
Medium to high traffic >250 v/l/d < 30 particles/m 2<br />
Low traffic
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